diff --git a/readme.org b/readme.org
index 72b8e70..921d57d 100644
--- a/readme.org
+++ b/readme.org
@@ -18,3 +18,207 @@ git clone https://gitlab.komputernerds.com/mmance/statscollect.git
 #+end_src
 
 
+* collection on CORE
+
+** Disk
+
+#+begin_src shell
+iostat -xyd 1 1
+#+end_src
+
+      iostat = [
+	  "timestamp",
+	  "name",
+	  "read_s",
+	  "rkB_s",
+	  "rrqm_s",
+	  "%rrqm",
+	  "r_await",
+	  "rareq-sz",
+	  "w_s",
+	  "wkB_s",
+	  "wrqm_s",
+	  "%wrqm",
+	  "w_await",
+	  "wareq-sz",
+	  "d_s",
+	  "dkB_s",
+	  "drqm_s",
+	  "%drqm",
+	  "d_await",
+	  "dareq-sz",
+	  "f_s",
+	  "f_await",
+	  "aqu-sz",
+	  "%utilread_s",
+      ]
+
+** CPU
+#+begin_src shell
+iostat -c 1 1
+#+end_src
+
+    cpustat = [
+        "timestamp",
+        "name",
+        "%user",
+        "%nice",
+        "%system",
+        "%iowait",
+        "%steal",
+        "%idle",
+    ]
+    
+** Memory
+
+#+begin_src shell
+top -bn 1
+#+end_src
+
+    memstat = [
+        "timestamp",
+        "name",
+        "mem_active",
+        "mem_inactive",
+        "mem_wired",
+        "mem_free",
+    ]
+
+
+** Network
+
+#+begin_src shell
+ifstat -znq 1 1
+#+end_src
+    ifstat = [
+        "timestamp",
+        "name",
+        "Kbps_in",
+        "Kbps_out",
+    ]
+** ZFS
+
+#+begin_src shell
+zpool iostat -Tu -l -p -v -y 15 1
+#+end_src
+    ziostat = [
+        "timestamp",
+        "name",
+        "capacity_alloc",
+        "capacity_free",
+        "ops_read",
+        "ops_write",
+        "bandwidth_read",
+        "bandwidth_write",
+        "total_wait_read",
+        "total_wait_write",
+        "disk_wait_read",
+        "disk_wait_write",
+        "syncq_wait_read",
+        "syncq_wait_write",
+        "asyncq_wait_read",
+        "asyncq_wait_write",
+        "scrub_wait",
+        "trim_wait",
+        "rebuld_wait",
+    ]
+
+* collection on SCALE
+
+** Disk
+
+#+begin_src shell
+gstat -C -s -d -o -p -I 5s
+#+end_src
+
+gstat = [
+        "timestamp",
+        "name",
+        "q-depth",
+        "total_ops_s",
+        "read_s",
+        "read_sz-KiB",
+        "read-KiB_s",
+        "ms_read",
+        "write_s",
+        "write_sz-KiB",
+        "write-KiB_s",
+        "ms_write",
+        "delete_s",
+        "delete-sz-KiB",
+        "delete-KiB_s",
+        "ms_delete",
+        "other_s",
+        "ms_other",
+        "%busy",
+    ]
+
+** CPU
+
+#+begin_src shell
+iostat -C -t proc -d
+#+end_src
+
+cpustat = [
+        "timestamp",
+        "name",
+        "%user",
+        "%nice",
+        "%system",
+        "%iowait",
+        "%steal",
+        "%idle",
+    ]
+
+** Memory
+
+#+begin_src shell
+top -n 1
+#+end_src
+
+    memstat = [
+        "timestamp",
+        "name",
+        "mem_active",
+        "mem_inactive",
+        "mem_wired",
+        "mem_free",
+	]
+
+** Network
+
+#+begin_src shell
+ifstat -znq 1 1
+#+end_src
+    ifstat = [
+        "timestamp",
+        "name",
+        "Kbps_in",
+        "Kbps_out",
+    ]
+** ZFS
+
+#+begin_src shell
+zpool iostat -Tu -l -p -v -y 15 1
+#+end_src
+    ziostat = [
+        "timestamp",
+        "name",
+        "capacity_alloc",
+        "capacity_free",
+        "ops_read",
+        "ops_write",
+        "bandwidth_read",
+        "bandwidth_write",
+        "total_wait_read",
+        "total_wait_write",
+        "disk_wait_read",
+        "disk_wait_write",
+        "syncq_wait_read",
+        "syncq_wait_write",
+        "asyncq_wait_read",
+        "asyncq_wait_write",
+        "scrub_wait",
+        "trim_wait",
+        "rebuld_wait",
+    ]